Make a version of DF suitable for mobile apps by projecting the game through Isaac Asimov's science of psychohistory. In short, psychohistory posits that while the actions of a single person are ruled by choice & free will, and are thus unknowable, the overall actions of a large population can be predicted with a high degree of certainty--the larger the population, the smaller the margin of error.
Individual dwarves no longer exist--although they might be replaced with kilodwarves (k☺).
Fortresses and other sites still exist, but you cannot view them in any detail greater than the Local view window of Fortress mode's Embark screen.
Loose items such as meals, garments, mugs, etc., obviously no longer exist--instead, the contents of your fort are viewable only through the Stocks screen.
Similarly, you can control your fort only through the Manager's / Health / Justice / etc. screens.
Happily, the mobile version still has as many of the original game's menus as possible. You still need to specify which kind of wood to make the beds out of, you still need to make the order to place the beds somewhere (but you don't get to see where), you still need to use the beds to define bedrooms & then assign those rooms to the homeless parts of your fort's kilodwarf, you still need to manually determine what percentage of your kilodwarf is allowed to perform the labor of Furniture Hauling in order to place those beds, etc.
After a battle, you get to see how much of your kilodwarf was killed for running outside the fort to collect all the dropped socks.